Same VISTA3D Phase 1 (auto branch) as
v1 but
with all WASM + WebGPU compute moved to a dedicated Web Worker — the UI
thread stays fully responsive (slice scrubbing, scrolling, dropdown work)
during the ~90 s sliding window.
·
Optimizations: canonical CT + accumulator + scratch buffers all pinned to
the WASM heap, zero JS↔heap copies per patch; pre-built gaussian; per-patch
progress.